In ALL-ALL, MGMT has an accuracy of 69.57% (16 of 23) in identifying euthymia, 76.00% (38 of 50) in identifying mild depression, 73.33% (22 of 30) in identifying moderate depression, and 54.55% (6 of 11) in identifying severe depression. The gene discussed is MGMT; the disease is major depressive disorder.